/// <summary>
/// 穿透子弹
/// </summary>
/// <param name="shooter">射手</param>
/// <param name="width">弹道宽度</param>
/// <param name="decayScale">伤害衰减系数</param>
/// <param name="target">终点</param>
public PenetraBullet(UnitBase shooter, float decayScale, Vector3 target)
{
this.Shooter = shooter;
this.decayScale = decayScale;
this.damageScale = 1.0f;
Movement = new NormalMovement(this);
Movement.Retarget(target);
}
public CoordBullet(UnitBase shooter, Vector3 target)
{
Movement = new NormalMovement(this);
Movement.Retarget(target);
}
public override bool Update(float dt)
{
float x = position.x;
float y = position.y;
if (Movement.Update(dt))
{
if (!this.arrive)
{
Movement.Retarget(Shooter.position);
this.arrive = true;
}
else
{
return(true);
}
}
else
{
var shift = speed * dt;
List <UnitBase> res = new List <UnitBase>();
BattleInterface.Instance.world.SelectRect(x, y, Movement.shift.x, Movement.shift.y, this.radius * 2, shift, res, (obj) => obj.CampID != Shooter.CampID);
if (res.Count > 0)
{
if (this.decayScale > 0)
{
res.Sort((a, b) =>
{
float da_x = a.position.x - x;
float da_y = a.position.y - y;
float db_x = b.position.x - x;
float db_y = b.position.y - y;
float da = da_x * da_x + da_y * da_y;
float db = db_x * db_x + db_y * db_y;
return(da.CompareTo(db));
});
for (int i = 0; i < res.Count; ++i)
{
//普攻伤害
var rd = (int)(damage * this.damageScale);
if (rd > 0)
{
res[i].LostHP(rd, Shooter, damageType, isAttack);
}
//给目标上buff
if (buffs != null)
{
for (int n = 0; n < buffs.Length; ++n)
{
res[i].AddBuff(buffs[n], Shooter);
}
}
this.damageScale *= (1 - this.decayScale);
}
}
else
{
for (int i = 0; i < res.Count; ++i)
{
//普攻伤害
if (damage > 0)
{
res[i].LostHP(damage, Shooter, damageType, isAttack);
}
//给目标上buff
if (buffs != null)
{
for (int n = 0; n < buffs.Length; ++n)
{
res[i].AddBuff(buffs[n], Shooter);
}
}
}
}
}
}
return(false);
}
public LineBullet(UnitBase shooter, Vector3 target)
{
this.Shooter = shooter;
Movement = new NormalMovement(this);
Movement.Retarget(target);
}
